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The Gates molded upper coolant hose for the 2003 Lincoln Navigator 5.4L V8 is a vehicle-specific part that directs coolant at the upper connection. Its molded profile conforms to factory routing to preserve proper coolant flow and heater function. This hose serves as a replacement during cooling-system service when the upper hose must be renewed to maintain correct circulation.
Gates 2003 Lincoln Navigator V-8 5.4L Upper Molded Coolant Hose
